/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: mirac
 * Date: 2025-08-10
 * Time: 21:46
 */
public class ListNode {
    public int val;
    public ListNode prev;
    public ListNode next;

    public ListNode(int val) {
        this.val = val;
    }
}
